Additional information about the name Sonny:

The name sonny can trace its origin back to use of the common pet name ‘sonny’ or ‘son’ in reference to young boys. As it is therefore taken to mean ‘Son of Ours’ it is often used as the name for the first male child in the family. It is also sometimes seen, unusually, to be used as a girl’s name. Famous people who share this name include New Zealand rugby player Sonny Bill Williams.

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